class_docstr: Test data request different implementations
docstr: Test that we get a dictionary containing pandas data
          
docstr_tok: ["Test","that","we","get","a","dictionary","containing","pandas","data"]
code: def test_get_currency_exchange_weekly_pandas(self):
      """Test that we get a dictionary containing pandas data"""
      fe = ForeignExchange(
          key=TestAlphaVantage._API_KEY_TEST, output_format="pandas"
      )
      self._assert_result_is_format(
          fe.get_currency_exchange_weekly,
          output_format="pandas",
          from_symbol="USD",
          to_symbol="JPY",
      )
  
imports: from ..alpha_vantage.alphavantage import AlphaVantage
  from ..alpha_vantage.timeseries import TimeSeries
  from ..alpha_vantage.techindicators import TechIndicators
  from ..alpha_vantage.cryptocurrencies import CryptoCurrencies
  from ..alpha_vantage.foreignexchange import ForeignExchange
  from pandas import DataFrame
  import os
  import unittest
  import timeit
  import time
label_desc: Use image node_id 15 for calling the TestAlphaVantage obj's underlying member method code with example usage: obj.test_get_currency_exchange_weekly_pandas() without return types